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A signal which can be green or red with probability 4/5 and 1/5 respectively, is received by station A and then transmitted to station B. The probability of each station receiving the signal correctly is 3/4 . If the signal received at station B is green, then the probability that the original signal was green is: A) 3/5 B) 6/7 C) 20/23 D) 9/20


A signal which can be green or red with probability 4/5 and 1/5 respectively, is received by station A and then transmitted to station B. The probability of each station receiving the signal correctly is 3/4 . If the signal received at station B is green, then the probability that the original signal was green is:

A) 3/5

B) 6/7

C) 20/23

D) 9/20 

Grade:12

1 Answers

RAHUL SINGH
14 Points
10 years ago

correct answer is c) 20/23.

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